<!DOCTYPE html>
<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 <script type="text/javascript" src="../js/jquery1.9.1.min.js"></script>
		<script type="text/javascript" src="../js/jquery.mobile-1.3.2.min.js"></script>
		<link rel="stylesheet" href="../css/jquery.mobile-1.3.2.min.css"/> 
</head>
<body>
<div data-role="page" ><!--page2-->
<div data-role="header" data-position="fixed"><h1>Page2</h1>
<a href="../../shelf/AllSection.html" rel="external" data-icon="back" data-iconpos="left" data-transition="slidefade" data-direction="reverse" class="ui-btn-left">返回</a>
</div><!--header-->
<div data-role="footer" data-position="fixed"><h1>End</h1></div><!--footer-->
<p id="demo">点击这个按钮，获得您的位置：</p>
<button onclick="getLocation()">试一下</button>
<div id="mapholder"></div>
<script src="http://maps.google.com/maps/api/js?sensor=false"></script>
<script>
var x=document.getElementById("demo");
function getLocation()
  {
  if (navigator.geolocation)
    {
    navigator.geolocation.getCurrentPosition(showPosition,showError);
    }
  else{x.innerHTML="Geolocation is not supported by this browser.";}
  }

function showPosition(position)
  {
  lat=position.coords.latitude;
  lon=position.coords.longitude;
  latlon=new google.maps.LatLng(lat, lon)
  mapholder=document.getElementById('mapholder')
  mapholder.style.height='250px';
  mapholder.style.width='500px';

  var myOptions={
  center:latlon,zoom:14,
  mapTypeId:google.maps.MapTypeId.ROADMAP,
  mapTypeControl:false,
  navigationControlOptions:{style:google.maps.NavigationControlStyle.SMALL}
  };
  var map=new google.maps.Map(document.getElementById("mapholder"),myOptions);
  var marker=new google.maps.Marker({position:latlon,map:map,title:"You are here!"});
  }

function showError(error)
  {
  switch(error.code) 
    {
    case error.PERMISSION_DENIED:
      x.innerHTML="User denied the request for Geolocation."
      break;
    case error.POSITION_UNAVAILABLE:
      x.innerHTML="Location information is unavailable."
      break;
    case error.TIMEOUT:
      x.innerHTML="The request to get user location timed out."
      break;
    case error.UNKNOWN_ERROR:
      x.innerHTML="An unknown error occurred."
      break;
    }
  }
</script>
</div>
</body>
</html>
